Types of Optic Cable andApplications

Transcription

1 STATE OF OHIO DEPARTMENT OF TRANSPORTATION SUPPLEMENTAL SPECIFICATION 904 FIBER OPTIC CABLE AND COMPONENTS April 18, Fiber Optic Cable. Furnish loose-tube, single-mode, step-index dielectric cable. Cable shall be /125 um loose buffer, single-mode, step index optical fiber cable containing glass of type, Corning SMF-28e, AFL SR-15e, or approved equal, and that meets the following specifications: 1. ITU-T G.652 (Categories A, B, C and D) 2. IEC Specification Type B TIA/EIA 492-CAAB 4. Telecordia GR-20 All cables shall be free of material or manufacturing defects and dimensional non-uniformity that would: Interfere with the cable installation using accepted cable installation practices. Degrade the transmission performance and environmental resistance after installation. Inhibit proper connection to interfacing elements. Otherwise yield an inferior product. A. Mechanical and Performance Requirements The cable shall be a rugged all dielectric outdoor cable containing color coded buffer tubes with 12 single mode color-coded fibers per-buffer tube, dual window (1310 nm and 1550 nm) fibers with UV acrylate coating in color coded, gel-free, loose buffer tubes with the maximum outer diameter as shown in the chart below based on cable strand count. Fiber Count Maximum Outside Diameter (Inches) Page 1 of 11

2 The loose buffer tubes shall be stranded around an all-dielectric center strength element using a reverse oscillation lay, wrapped by water blocking core separator or functional equivalent. The maximum allowable attenuation of the fiber is.35 db/km for 1310 nm and.25 db/km for 1550 nm. Each buffer tube shall contain a water blocking element for water-blocking protection. No water blocking yarns are permitted to avoid accidentally cutting fibers. The water blocking elements shall be non-nutritive to fungus, electrically non-conductive, and homogeneous; it shall also be free from dirt or foreign matter. This water blocking element will preclude the need for other water-blocking material; the buffer-tube shall be gel-free. Water swellable tape shall be applied longitudinally around the outside of the stranded tubes/fillers. The water swellable tape shall be non-nutritive to fungus, electrically non-conductive, and homogenous. It shall also be free from dirt and foreign matter. The cable manufacturer shall be TL 9000 registered. The optical fiber cable shall withstand water penetration when tested with a one-meter static head or equivalent continuous pressure applied at one end of a one-meter length of filled cable for one hour. No water shall leak through the open cable end. Testing shall be done in accordance with EIA B. B. Outer Jacket Cables shall be all dielectric cable (with no armoring) and shall be jacketed (sheathed) with medium density polyethylene as defined by ASTM D1248, Type II, Class C, Category 4 and Grades J4, E7 and E8. If the project plans require armored cable, the cable shall have two jackets, one molded to the outside of the armor and one that floats freely within the armor and contains the buffer tubes and other fiber optic cable construction components as required. Jacketing material shall be applied directly over the tensile strength members to provide mechanical protection, and to serve as the primary moisture barrier. This cable sheath shall be designed to meet or exceed the tensile criteria defined in EIA a. Each jacketed fiber shall have a tensile strength in excess of 50 lbs. The polyethylene shall contain carbon black to provide ultra-violet light protection, and it shall not promote the growth of fungus. The jacket or sheath shall be free of any holes, splits, or blisters. The cable jacket shall contain no metal elements and shall be of a consistent thickness. The cable shall contain at least one ripcord under the sheath for easy sheath removal. Page 2 of 11

3 C. Crush Resistance The non-armored optical fiber cables shall withstand a compressive load of 220 N/cm applied uniformly over the length of the cable. The average increase in attenuation for the fibers shall be 0.10 db at 1550 nm for a cable subjected to this load. The cable shall not exhibit any measurable increase in attenuation after load removal. Testing shall be in accordance with EIA , "compressive loading resistance of fiber optic cable," except that the load shall be applied at the rate of 3 mm to 20 mm per minute and maintained for 10 minutes. Manufacturer s certification shall be submitted for approval. D. Cyclic Flexing The cable shall be capable of withstanding 25 cycles of mechanical flexing at a rate of 30 1 cycles/minute. The average increase in attenuation for the fibers shall be 0.10dB at 1550 nm at the completion of the test. Outer cable jacket cracking or splitting observed under 10x magnification shall constitute failure. The test shall be conducted in accordance with EIA , except that the sheave diameter shall be a maximum diameter of 20 times the cable outer diameter (O.D.). The cable shall be tested in accordance with test conditions I and III of EIA The cable shall withstand 25 impact cycles. The average increase in attenuation for the fibers shall be 0.20dB at 1550 nm (single-mode). The cable jacket shall not exhibit evidence of cracking or splitting. The test shall be conducted in accordance with EIA/TIA A. Manufacturer s certification shall be submitted for approval. E. Tensile Strength Tensile strength shall be provided by high tensile strength aramid yarns and fiberglass, which shall be helically stranded evenly around the cable core. The cable shall withstand a tensile load of 2700 Newtons (N) [600 lbs.] without exhibiting an average increase in attenuation of greater than 0.10dB. The test shall be conducted in accordance with EIA A, using a maximum mandrel and sheave diameter of 560 mm. The load shall be applied for one hour in test condition II of EIA A. The optical fiber cable shall withstand a maximum pulling tension of 2700N (600 lbs.) during installation (short term) with no damage and 845N (190 lbs.) installed (long term). Manufacturer s certification shall be submitted for approval. F. Temperature Page 3 of 11

4 The shipping, storage, installation, and operating temperature range of the cable shall meet or exceed -20 F to +155 F (-29 C to +60 C). G. Loose Buffer Single-mode fibers shall be contained in a loose buffer tube. The configuration shall be dimensionally sized to minimize local stresses and microbend losses. Buffer tubes shall be 2.5mm in outer diameter. The optical fiber cable shall be an approved product of the U.S. Department Of Agriculture, Rural Electrification Administration in accordance with the requirements of REA-PE-90, or as otherwise indicated, and shall conform to EIA/TIA-598. Each optical fiber shall consist of a doped silica core surrounded by a concentric silica cladding. Buffer tubes shall be polypropylene. Fillers shall be included in the cable core to lend symmetry to the cable cross section where needed. The central anti-buckling member shall consist of a glass reinforced plastic rod; the purpose of the central member is to prevent buckling of the cable. H. Colors All optical fibers shall be identifiable by standard color codes as defined in EIA/TIA-598. Each fiber shall be distinguishable, as determined by the maintaining agency, from others by means of color coding and shall conform to the following EIA/TIA sequence of colors: 1. Blue 7. Red 2. Orange 8. Black 3. Green 9. Yellow 4. Brown 10. Violet 5. Slate 11. Rose 6. White 12. Aqua The colors shall be in accordance with the Munsell color shades. The fiber coloring shall be an ultraviolet (UV) curable ink which is applied to the outside of the optical fiber protective coating layer and shall not be an integral component of the coating layer itself in order to produce more distinguishable colored fiber. Buffer tubes containing fibers shall also be color-coded with distinct and recognizable colors according to the following sequence of colors: 1. Blue 13. Blue with black tracer 2. Orange 14. Orange with black tracer 3. Green 15. Green with black tracer Page 4 of 11

5 4. Brown 16. Brown with black tracer 5. Slate 17. Slate with black tracer 6. White 18. White with black tracer 7. Red 19. Red with black tracer 8. Black 20. Black with white tracer or black with yellow tracer 9. Yellow 21. Yellow with black tracer 10. Violet 22. Violet with black tracer 11. Rose 23. Rose with black tracer 12. Aqua 24. Aqua with black tracer The color formulation shall be compatible with the fiber coating and be heat stable. Color formulation shall not fade or smear or be susceptible to migration and it shall not affect the transmission characteristics of the optical fibers and shall not cause fibers to stick together. I. Cable Marking The fiber optic cable outer jacket shall be capable of being marked by the vendor, on a projectby-project basis, with manufacturer s name, the year of manufacture, the words optical fiber cable, fiber count, type of fiber, the name of the cable owner (e.g., ODOT I.T.S. ), Project ID number ( PID # xxxxx ) and sequential linear foot markings. The markings shall be repeated every 3 feet. The actual length of the cable shall be within -0/+1% of the length marking. The marking shall be in a contrasting color to the cable jacket. The marking shall be 2.5 mm in height and must be permanent weatherproof and shall not wear off during the installation in the underground conduit system. J. Quality Assurance Provision The fiber optic cable shall meet or exceed the requirements of this specification when measured in accordance with the methods of the individual requirements or the following methods as defined in EIA-455-A: 1. Fiber dimensions 2. Attenuation 3. Numerical aperture 4. Fiber proof test 5. Crush resistance 6. Cable bending 7. Tensile load 8. Impact resistance 9. Attenuation vs. Temperature Furnish materials according to the Department s Qualified Products List (QPL) Fan-Out Kit Page 5 of 11

6 Furnish a 900um fan-out kit assembly of size twelve fiber capacity. Minimum length shall be 24 inches. It shall be outdoor-rated for operation with a minimum operating temperature range of -40 F to +149 F (-30 C to +65 C). Each assembly shall contain a Fan-Out Top, Fan-Out Bottom, Fan-Out Tubing, epoxy, syringe, and insert Drop Cable All drop cable shall meet the requirements of , except for I, Cable Marking. All Drop Cable shall be marked by the vendor with the manufacturer s name, year of manufacture, the words Optical Fiber Cable or similar, fiber count, type of fiber, and sequential linear foot marking. The markings shall be repeated every 3 feet. The actual length of the cable shall be within +/-1% of the length marking. The marking shall be in contrasting color to the cable jacket, minimum 2.5mm in height, permanent and weatherproof, and shall not wear off during installation in the underground conduit system Fiber Optic Patch Cord The optical patch cords furnished shall consist of a single fiber jacketed cable equipped with optical connectors at each end. Each patch cable shall have a unique identification label on each end. Labels shall be marked in indelible ink and shall not crimp, kink or otherwise harm the patch cable. Patch cords for connection between two Fiber Distribution Panels (FDPs) shall be equipped with approved connectors on each end. The sheath shall be flame retardant and coded NFR in accordance with the national electric code. The patch cord jacket shall be resistant to ultraviolet radiation. Optical fiber connectors shall satisfy the interface parameters of the equipment components as defined by the transceiver equipment specifications. All connectors shall be of Type UPC or APC. No SPC-type connectors shall be permitted Fiber Termination Panel A. NEMA Cabinet Type Fiber termination panels shall house and protect the connectors on each pigtail. The optical connectors on each pigtail shall be inserted securely in a connector panel that is manufactured to be mated with the LC (UPC) connector type. Page 6 of 11

7 The connector panel shall be made by the housing manufacturer and be designed for the specified housing. Maximum optical loss across the connection shall be 0.25dB. The fiber optic cable shall be of a sufficient length that will allow the cable to be pulled from the cabinet through conduit to adjacent overhead or underground splice enclosures and fusion spliced to the trunk fiber optic cables as depicted in the communications splicing diagrams, leaving 75 feet of slack at the splice enclosure and 15 feet of slack in the cabinet. The termination panel shall use LC connectors for the equipment side and specified connectors shall be core-aligned fusion spliced or factory pre-connectorized to the fiber optic drop cable that leads to the splice enclosure. The fiber termination panel shall be compact, rugged and shelf mountable to ensure secure mounting within existing NEMA controller cabinets. 24-fiber termination panels shall not exceed 10 inches Length x 4.5 inches Width x 2.5 inches Depth. 48-fiber termination panels may consist of two side-by-side 24-fiber termination panels. Panel shall be manufactured by Corning, Gatorpatch, AFL, or approved equal. Furnish materials according to the Department s Qualified products List (QPL) B. Caltrans (332,334,336) Cabinet or AASHTO/ITE/NEMA ITS Cabinet Type The fiber termination panel enclosure shall consist of a self-contained enclosure including LC style fiber optic connectors. Outdoor rated fiber optic cable shall be pre-terminated to the patch panel. Fiber optic cable shall be of a sufficient length that will allow the cable to be pulled from the cabinet through conduit to adjacent overhead or underground splice enclosures and fusion spliced to the trunk fiber optic cables as depicted in the communications splicing diagrams, leaving 75 feet of slack at the splice enclosure and 15 feet of slack in the cabinet.. All connector terminations shall be ceramic UPC connectors. Dimensions of patch panels shall mount inside a standard EIA 19-inch rack. Patch Panel Enclosures shall be equipped with a locking mechanism for front and back of patch panel assembly to prevent unauthorized access. Patch Panels shall utilize modules capable of housing fiber optic LC-type connectors. The modules shall interface with the cabinet equipment via LC connectors and the fiber optic trunk cable via MTP connectors. The fiber optic cable shall be secured in a manner that no strain is presented to the MTP connector. Furnish materials according to the Department s Qualified products List (QPL) Fiber Optic Connectors All optical fiber termination components shall meet or exceed the applicable provisions of EIA/TIA-455-A. Page 7 of 11

8 All optical fiber connectors shall be of industry standard and of type for single-mode optical fiber and shall meet or exceed the applicable provisions of EIA/TIA-455-2b, EIA/TIA-455-5a, and EIA All connectors shall be compliant with industry standard ANSI/TIA/EIA- 568B.3. The connector shall comply with TIA/EIA fiber optic connector intermateability standard (FOCIS) document, TIA/EIA Single-mode pigtails shall be provided with factory pre-connectorized single-mode connectors. Connectors shall have a maximum loss of 0.5 db through each mated pair of single-mode fibers. Each connector shall be capable of 100 repeated matings with maximum increase in splice loss limited to 0.2 db per connector. Single mode fiber optic pigtails shall be provided. Optical fiber cable used for pigtails shall be of the tight buffered type protected by aramid fibers. The pigtail jacket shall be resistant to ultraviolet radiation. Connector reflectance shall be measured at the factory to be = -40 db for super physical contact (SPC), -55 db for ultra physical contact (UPC), and -60 db for angle polished contact (APC). Strain-relief boot color shall be white for SPC, blue for UPC, and green for APC. Manufacturer shall be ISO 9001 and TL 9000 registered. All connectors shall be LC-type UPC. No SPC type connectors shall be permitted Splice Enclosure The splice enclosure shall be weatherproof, corrosion resistant, rodent proof, re-enterable, and crush resistant. The splice enclosure shall be of clam-shell design with upper and lower pieces that are tightened down and sealed using screws / bolts. The splice enclosure shall easily fit into a 32 inch pull box along with loops of slack cable in box (approximately 100 ft.). The splice enclosure shall be a complete kit including all components and hardware for installation. The splice enclosure shall be suitable for application in the temperature range of -40 C to +70 C. The splice enclosure shall provide space, allowing entry of fiber optic cable without exceeding the minimum bend radius of the cable. The enclosure shall have provisions for cable and pigtail strain-relief, and shall be equipped with strain-relief hardware. The splice enclosure shall be designed to permit selective fiber splicing (looping a backbone cable in and out while only cutting into the desired fibers). The size of the enclosure shall allow all the fibers of the largest optical fiber trunk cable to be fusion spliced to a second cable of the same size, plus additional pigtails. The splice enclosure shall allow splicing of all fibers up to the maximum number. Page 8 of 11

9 Furnish materials according to the Department s Qualified products List (QPL) Fiber Optic Media Converter Operating temperature range shall be -20 F to +155 F (-29 C to +68 C). Electrical power for freestanding units shall be provided by NEMA 5-15 compatible plug and/or Class 2 switching power supply with a minimum cord length of 6 feet. Established and documented MTBF shall be 100,000 hours, minimum. A. Fiber Optic to Ethernet Media Converter Converter shall provide RJ-45 interface compatible with 100BaseT-TX: Cat. 5, EIA/TIA Ohm UTP cable. B. Fiber Optic to RS-232 Media Converter Converter shall provide a RS232 Asynchronous communications channel using a 9-pin D-sub or RJ-45 connector using industry-standard pin configuration or a plug-in module connection to a controller unit. The FO Module shall be one of the following, per project operational requirements: 1. A free-standing, shelf-mounted enclosed unit. 2. A plug-in module compatible with an ODOT-approved Caltrans or NEMA controller unit, and approved in writing by the manufacturer of the controller Fiber Optic Fusion Splicer The Fiber Optic Fusion Splicer shall be one of the following types: 1. AFL FSM-70S 2. FITEL S178A version 2 3. SUMITOMO TYPE-Q101-CA 4. Or Approved Equal, that meets the following minimum specifications as determined by the ODOT Department of Traffic Engineering: o Splicing Method Core Alignment o Applicable Fibers SM, MM, DS, NZ-DS o Cladding Diameter um o Splice loss estimation using Core Alignment o Camera Axis X and Y o Typical Splicing time of Single-Mode Fiber less than or equal to 13 seconds o Operating Temperature (-10 to +50 C) o Color LCD Monitor o High wind velocity protection o Average Splice Loss (db) 0.02 SM, 0.01 MM, 0.04 DS Page 9 of 11

10 o Internal Battery w/ AC adapter capable of performing minimum of 100 splices on full charge o Ability to download splice data to PC via USB o Internal Splice Data Storage = 2,000 splice results o Maximum Dimension (inches) 8 x 9.5 x 6 o Carrying Case Hard if available Fiber Optic Optical Time Domain Reflectometer (OTDR) The Fiber Optic OTDR shall be one of the following types and shall include adapters for FC, ST, SC, and LC type connectors: 1. AFL M210-25K-01-HC2 2. CORNING OV-MiniXK-TK 3. FLUKE OFP-100-QI 4. Or Approved Equal, that meets the following minimum specifications as determined by the ODOT Department of Traffic Engineering: o Shall have a Built-in Optical Power Meter o Shall have a Built-in Visual Fault Locator o Internal Memory storage 500 traces o Color Display o Multi-mode and Single-mode fiber testing capability o Ability to download splice data to PC via USB o Rugged Construction o Carrying case, Hard when available o Operating Temperature (-10 to +45 C) o Li-Ion Battery w/ AC adapter o Digital Fiber Scope for video inspection that is compatible with the UPC and APC types of connectors. o Maximum Dimension (inches) 11 x 5.5 x Fiber Optic Cleaver The Fiber Optic Cleaver shall be one of the following types: 1. AFL CT-30A 2. CORNING FBC SUMITOMO FC-7 4. Or Approved Equal, that meets the following minimum specifications as determined by the ODOT Department of Traffic Engineering: o Fiber Blade Life 24,000 o Fiber scrap collection-free with use of integrated scrap container o Carrying Case, Hard if available Page 10 of 11

11 Fiber Optic Power Meter The Fiber Optic Power Meter shall include dual optical light sources (LED / LASER) and shall be one of the following types: 1. AFL OPM4 2. CORNING LTK-400SD 3. FLUKE FTK Or Approved Equal, that meets the following minimum specifications as determined by the ODOT Department of Traffic Engineering: o Calibration Wavelengths (nm) 850, 1300, 1310, and 1550 o Include SC, ST, and LC adapters o Measurement range (+6 TO -50 dbm) o Accuracy ±0.25 db o Resolution 0.01 db o Measurement Units dbm, W o Power AA Batteries o Operating Temperature (-10 to +50 C) o Maximum Dimensions (inches) 7.5 x 4 x 2.5 o Carrying Case Hard if available Fiber Optic Visual Fault Locator The Fiber Optic Visual Fault Locator shall be one of the following types: 1. AFL VF PR 2. CORNING VFL FLUKE VisiFault with NF380 adapter 4. Or Approved Equal, that meets the following minimum specifications as determined by the ODOT Department of Traffic Engineering: o Emitter Type Laser Class II o Wavelength 650 nm ± 20 nm o Maximum Output Power 1.3 mw (into single-mode fiber) o Modulation 2-3 Hz or CW selectable o Operating Temperature (-10 to 40 C) o Maximum Dimensions (inches) 7 x 2.5 x 1.5 o Power AA or AAA Batteries o Connection Ferrule Diameter 2.5 mm and 1.25 mm o Compatible Fiber Optic Connectors SC, LC, and ST o Carrying Case Hard if available Page 11 of 11